FKIE_CVE-2023-53537

Vulnerability from fkie_nvd - Published: 2025-10-04 16:15 - Updated: 2026-08-04 10:19
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid use-after-free for cached IPU bio xfstest generic/019 reports a bug: kernel BUG at mm/filemap.c:1619! RIP: 0010:folio_end_writeback+0x8a/0x90 Call Trace: end_page_writeback+0x1c/0x60 f2fs_write_end_io+0x199/0x420 bio_endio+0x104/0x180 submit_bio_noacct+0xa5/0x510 submit_bio+0x48/0x80 f2fs_submit_write_bio+0x35/0x300 f2fs_submit_merged_ipu_write+0x2a0/0x2b0 f2fs_write_single_data_page+0x838/0x8b0 f2fs_write_cache_pages+0x379/0xa30 f2fs_write_data_pages+0x30c/0x340 do_writepages+0xd8/0x1b0 __writeback_single_inode+0x44/0x370 writeback_sb_inodes+0x233/0x4d0 __writeback_inodes_wb+0x56/0xf0 wb_writeback+0x1dd/0x2d0 wb_workfn+0x367/0x4a0 process_one_work+0x21d/0x430 worker_thread+0x4e/0x3c0 kthread+0x103/0x130 ret_from_fork+0x2c/0x50 The root cause is: after cp_error is set, f2fs_submit_merged_ipu_write() in f2fs_write_single_data_page() tries to flush IPU bio in cache, however f2fs_submit_merged_ipu_write() missed to check validity of @bio parameter, result in submitting random cached bio which belong to other IO context, then it will cause use-after-free issue, fix it by adding additional validity check.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5cdb422c839134273866208dad5360835ddb9794Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7d058f0ab161437369ad6e45a4b67c2886e71373Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/97ec6f1788cc6bee3f8c89cb908e1a2a1cd859bbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9a7f63283af6befc0f91d549f4f6917dff7479a9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/af4ce124d7bd74cb839bbdaccffbb416771a56b5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b2f423fda64fb49213aa0ed5056079cf295a5df2Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/data.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b2f423fda64fb49213aa0ed5056079cf295a5df2",
              "status": "affected",
              "version": "0b20fcec8651569935a10afe03fedc0b812d044e",
              "versionType": "git"
            },
            {
              "lessThan": "9a7f63283af6befc0f91d549f4f6917dff7479a9",
              "status": "affected",
              "version": "0b20fcec8651569935a10afe03fedc0b812d044e",
              "versionType": "git"
            },
            {
              "lessThan": "7d058f0ab161437369ad6e45a4b67c2886e71373",
              "status": "affected",
              "version": "0b20fcec8651569935a10afe03fedc0b812d044e",
              "versionType": "git"
            },
            {
              "lessThan": "97ec6f1788cc6bee3f8c89cb908e1a2a1cd859bb",
              "status": "affected",
              "version": "0b20fcec8651569935a10afe03fedc0b812d044e",
              "versionType": "git"
            },
            {
              "lessThan": "af4ce124d7bd74cb839bbdaccffbb416771a56b5",
              "status": "affected",
              "version": "0b20fcec8651569935a10afe03fedc0b812d044e",
              "versionType": "git"
            },
            {
              "lessThan": "5cdb422c839134273866208dad5360835ddb9794",
              "status": "affected",
              "version": "0b20fcec8651569935a10afe03fedc0b812d044e",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/data.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.5"
            },
            {
              "lessThan": "5.5",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.180",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.111",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.28",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.2.*",
              "status": "unaffected",
              "version": "6.2.15",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.3.*",
              "status": "unaffected",
              "version": "6.3.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.4",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "78422AC3-CC89-479E-B4BC-62381D8F3564",
              "versionEndExcluding": "5.10.180",
              "versionStartIncluding": "5.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2B9DD776-7F17-4F72-B94F-54BFCBC692DD",
              "versionEndExcluding": "5.15.111",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "08F855F4-7188-4EE1-BD79-D4B6C7E2EF54",
              "versionEndExcluding": "6.1.28",
              "versionStartIncluding": "5.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3844A90B-940D-46C3-8D7B-9FF63F1AFC2F",
              "versionEndExcluding": "6.2.15",
              "versionStartIncluding": "6.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "38F6F330-91A0-4675-8B90-6F950471A7CC",
              "versionEndExcluding": "6.3.2",
              "versionStartIncluding": "6.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid use-after-free for cached IPU bio\n\nxfstest generic/019 reports a bug:\n\nkernel BUG at mm/filemap.c:1619!\nRIP: 0010:folio_end_writeback+0x8a/0x90\nCall Trace:\n end_page_writeback+0x1c/0x60\n f2fs_write_end_io+0x199/0x420\n bio_endio+0x104/0x180\n submit_bio_noacct+0xa5/0x510\n submit_bio+0x48/0x80\n f2fs_submit_write_bio+0x35/0x300\n f2fs_submit_merged_ipu_write+0x2a0/0x2b0\n f2fs_write_single_data_page+0x838/0x8b0\n f2fs_write_cache_pages+0x379/0xa30\n f2fs_write_data_pages+0x30c/0x340\n do_writepages+0xd8/0x1b0\n __writeback_single_inode+0x44/0x370\n writeback_sb_inodes+0x233/0x4d0\n __writeback_inodes_wb+0x56/0xf0\n wb_writeback+0x1dd/0x2d0\n wb_workfn+0x367/0x4a0\n process_one_work+0x21d/0x430\n worker_thread+0x4e/0x3c0\n kthread+0x103/0x130\n ret_from_fork+0x2c/0x50\n\nThe root cause is: after cp_error is set, f2fs_submit_merged_ipu_write()\nin f2fs_write_single_data_page() tries to flush IPU bio in cache, however\nf2fs_submit_merged_ipu_write() missed to check validity of @bio parameter,\nresult in submitting random cached bio which belong to other IO context,\nthen it will cause use-after-free issue, fix it by adding additional\nvalidity check."
    }
  ],
  "id": "CVE-2023-53537",
  "lastModified": "2026-08-04T10:19:11.177",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-10-04T16:15:48.697",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/5cdb422c839134273866208dad5360835ddb9794"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
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      "url": "https://git.kernel.org/stable/c/7d058f0ab161437369ad6e45a4b67c2886e71373"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/97ec6f1788cc6bee3f8c89cb908e1a2a1cd859bb"
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      "url": "https://git.kernel.org/stable/c/9a7f63283af6befc0f91d549f4f6917dff7479a9"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
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      "url": "https://git.kernel.org/stable/c/af4ce124d7bd74cb839bbdaccffbb416771a56b5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
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      "url": "https://git.kernel.org/stable/c/b2f423fda64fb49213aa0ed5056079cf295a5df2"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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